Oh, that's bad. Motivation whatever causes people to act, or need, or desire.
Please stay motivated because it is the sole purpose for your desires and needs.
Some days I have the hardest time getting motivated
Motivation is the reason for people's actions, desires, and needs.
Бывают дни, когда мне труднее всего найти мотивацию
Мотивация - это причина действий, желаний и потребностей людей.